<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
    .wrap{
        list-style: none;
    }
    li{
        width: 200px;
        height: 100px;
        background-color: #ccc;
        float: left;
        border:1px solid #fff;
    }
    </style>
</head>
<body>
    <ul class="wrap">
        <li></li>
        <li></li>
        <li></li>
    </ul>
</body>
</html>